Arima Sea Ranger 21 Hardtop 2008 boat specs
Arima
Arima Sea Ranger 21 Hardtop 2008
2008
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Arima SR Explorer 21 2011 boat specs
Arima
Arima SR Explorer 21 2011
2011
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Arima Sea Ranger 21 Hardtop 2008 vs Arima SR Explorer 21 2011 — A Close Look at Two Modified Vees

When two boats share the same hull type — in this case both the Arima Sea Ranger 21 Hardtop 2008 and the Arima SR Explorer 21 2011 are modified vee designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Arima Sea Ranger 21 Hardtop 2008 at 21,0 ft versus Arima SR Explorer 21 2011 at 21,2 ft. Weight tells a clearer story for trailering families: the Arima Sea Ranger 21 Hardtop 2008 tips the scales at 225 lbs — 200 lbs more than the Arima SR Explorer 21 2011 at 25 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

Both boats share a closely matched power ceiling — 175 hp for the Arima Sea Ranger 21 Hardtop 2008 and 175 hp for the Arima SR Explorer 21 2011. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Both carry nearly identical fuel loads — 48 gal and 48 gal — so range won't be a tiebreaker here.

Both boats are rated for 6 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Arima Sea Ranger 21 Hardtop 2008 and Arima SR Explorer 21 2011 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeArima
MakeArima
ModelSea Ranger 21 Hardtop
ModelSR Explorer 21
Model Year2008
Model Year2011
Measurements / Dimensions
Beam8 ft. 0 in. (2.44 m)
Beam8 ft. (2.44 m)
Beam - Meters2.44
Beam - Meters2.44
Beam - Inches96
Beam - Inches96
Weight - Detail2,250 lbs. (967 kg)
Weight - Detail2,500 lbs. (967 kg)
Weight - kg1020.58
Weight - kg1133.98
Weight - lbs.225
Weight - lbs.25
Height - Detail6 ft. 8 in. (1.85 m)
Height - Detail6 ft. 8 in. (1.85 m)
Height - Meters2.03
Height - Meters2.03
Height - Inches8
Height - Inches8
Length - Meters6.45
Length - Metersnot available
Length - Feet21
Length - Feet21.17
Length - Inches2
Length - Inchesnot available
Length overall - Detail21 ft. 2 in. (6.45 m)
Length overall - Detail21 ft. 2 in. (6.45 m)
Length overall - Meters6.45
Length overall - Meters6.45
Length overall - Inches254
Length overall - Inches254
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail48 gal. (258 l)
Fuel tank capacity - Detail48 gal. (258 l)
Fuel tank capacity - Liters181.7
Fuel tank capacity - Liters181.7
Fuel tank capacity - Gal48
Fuel tank capacity - Gal48
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max175 hp
Engine max175 hp
Operational Info
Water capacity14 gal. (53 l)
Water capacitynot available
Headnot available
HeadPortable

Arima Sea Ranger 21 Hardtop 2008 vs Arima SR Explorer 21 2011 — Common Questions

Which is the larger boat — the Arima Sea Ranger 21 Hardtop 2008 or the Arima SR Explorer 21 2011?
The Arima SR Explorer 21 2011 is the longer of the two at 21,2 feet overall. The Arima Sea Ranger 21 Hardtop 2008 comes in at 21,0 feet, making it roughly 0,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Arima Sea Ranger 21 Hardtop 2008 or the Arima SR Explorer 21 2011?
For trailering, the Arima SR Explorer 21 2011 has the edge at 25 lbs dry weight versus 225 lbs for the Arima Sea Ranger 21 Hardtop 2008. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
How many people can each boat hold?
The Arima Sea Ranger 21 Hardtop 2008 is Coast Guard rated for 6 passengers, while the Arima SR Explorer 21 2011 is certified for 6. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Arima Sea Ranger 21 Hardtop 2008 and Arima SR Explorer 21 2011 share an 8 ft. 0 in. (2.44 m) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
How do the fuel tanks compare on the Arima Sea Ranger 21 Hardtop 2008 and Arima SR Explorer 21 2011?
Both boats carry similar fuel loads — 48 gallons and 48 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Arima Sea Ranger 21 Hardtop 2008 and Arima SR Explorer 21 2011 from the same manufacturer?
Yes — both the Arima Sea Ranger 21 Hardtop 2008 and the Arima SR Explorer 21 2011 are built by Arima. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.